The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2020
Filed:
Oct. 07, 2019
Jiaxing Super Lighting Electric Appliance Co., Ltd, Jiaxing, CN;
Tao Jiang, Jiaxing, CN;
Weihong Xu, Jiaxing, CN;
Yukihiro Saito, Jiaxing, CN;
Hayato Unagike, Jiaxing, CN;
Aiming Xiong, Jiaxing, CN;
Junfeng Xu, Jiaxing, CN;
Yiching Chen, Taichung, TW;
JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD, Jiaxing, CN;
Abstract
An LED light bulb, consisting of: a lamp housing; a bulb base connected to the lamp housing; a stem connected to the bulb base and located in the lamp housing, the stem comprises a stand extending to the center of the lamp housing; a single LED filament, disposed in the lamp housing, the LED filament comprising: a plurality of LED sections, each of the LED sections includes at least two LED chips that are electrically connected to each other by a wire; a plurality of conductive sections, each of the conductive sections is located between the two adjacent LED sections and configured to electrically connect the two adjacent LED sections, each of the conductive section includes a conductor connecting the LED sections, and length of the wire being less than that of the conductor, the conductor comprises joint region and transition regions, the joint region is located between the transition regions and configured to connect the transition regions, wherein taking the central point of the LED chip as the center, the shortest distance from the center to the closest boundary of the joint region is set to r, and the shortest distance from the center to the closest boundary of the transition region is set to r, where the distance ris greater than or equal to the distance r; two conductive supports, a driving circuit, electrically connected with both the two conductive supports and the bulb base; and a plurality of supporting arms.